Mine detail: Black and White

Previously called 'Three Friends'

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Location

Lat / long:

47.57507, -123.3457

Resource(M)

Primary:	Manganese, Silver, Nickel, Magnesite, Copper
Ore:	Bementite, Chalcocite, Copper, Cuprite, Malachite, Rhodochrosite, Rhodonite
Gangue:	Jasper

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Sandstone
Associated type:	Basalt
Tectonic:	Host Rocks Of Manganese Deposits Of The Olympic Penninsula Formed At An Ocean Ridge Or In A Back Arc Basin At The Active Margin Of The North American Plate (Garrison, 1973; Snavely, 1987, P. 306-309)

References

MRDS	SP00181
DEP	10093019
Reference	{Deposit:: GARRISON, R.E., 1973, SPACE-TIME RELATIONS OF PELAGIC LIMESTONES AND VOLCANIC ROCKS, OLYMPIC PENNINSULA, WASHINGTON: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 84, NO. 2, P. 583-594.}{Deposit:: GREEN, S.H., 1945, MANGANESE DEPOSITS OF THE OLYMPIC PENNINSULA, WASHINGTON: WASHINGTON DIVISION OF MINES AND MINING REPORT OF INVESTIGATIONS 7, 45 P., 1 PL.}{Deposit:: HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.}{Deposit:: MAGILL, E.A., 1960, MANGANESE DEPOSITS OF THE OLYMPIC PENNINSULA, WASHINGTON: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5530, 82 P}{Deposit:: SOREM, R.K.; GUNN, D.W., 1967, MINERALOGY OF MANGANESE DEPOSITS, OLYMPIC PENNINSULA, WASHINGTON: ECONOMIC GEOLOGY, V. 62, NO. 1, P. 22-56.}{Deposit:: TABOR, R.W.; CADY, W.M., 1978, GEOLOGIC MAP OF THE OLYMPIC PENNINSULA, WASHINGTON: U.S. GEOLOGICAL SURVEY MISCELLANEOUS INVESTIGATIONS SERIES MAP I-994, 2 SHEETS, SCALE 1:125,000}{Deposit:: WDGER OF 90-18}
Reporter	Berger, Mary A., Frank, Dave